[Qemu-devel] [5759] target-sh4: fix fldi0/fldi1

[Aurelien Jarno]

Revision: 5759
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5759
Author:   aurel32
Date:     2008-11-20 06:41:29 +0000 (Thu, 20 Nov 2008)

Log Message:
-----------
target-sh4: fix fldi0/fldi1

fldi0/fldi1 should be executed as a nop if FPSCR.FR is set instead of
generating an exception. Reported by Laurent Desnogues.

Signed-off-by: Aurelien Jarno <address@hidden>

Modified Paths:
--------------
    trunk/target-sh4/translate.c

Modified: trunk/target-sh4/translate.c
===================================================================
--- trunk/target-sh4/translate.c        2008-11-19 18:00:47 UTC (rev 5758)
+++ trunk/target-sh4/translate.c        2008-11-20 06:41:29 UTC (rev 5759)
@@ -1670,15 +1670,13 @@
     case 0xf08d: /* fldi0 FRn - FPSCR: R[PR] */
        if (!(ctx->fpscr & FPSCR_PR)) {
            tcg_gen_movi_i32(cpu_fregs[FREG(B11_8)], 0);
-           return;
        }
-       break;
+       return;
     case 0xf09d: /* fldi1 FRn - FPSCR: R[PR] */
        if (!(ctx->fpscr & FPSCR_PR)) {
            tcg_gen_movi_i32(cpu_fregs[FREG(B11_8)], 0x3f800000);
-           return;
        }
-       break;
+       return;
     case 0xf0ad: /* fcnvsd FPUL,DRn */
        {
            TCGv_i64 fp = tcg_temp_new_i64();